The Nintendo Switch is setting sales records, but how much of that should be attributed to the Wii U?
So, Why Did the Wii U Fail?
Nintendo Switch Eyes Tremendous Wii Sales Record as It Surpasses PlayStation 3 and Xbox 360 - EssentiallySports
Wii U 10th Anniversary: A Success Thanks To Nintendo Switch
Nintendo Wii U: A versatile system that deserves more attention - Sudorealm
Nintendo reveals what the Switch learned from the Wii U's failures - CNET
Nintendo Switch / Platform - TV Tropes
Nintendo Switch: what is the reason for the resounding success and is it worth buying the console in 2022?
RIP Wii U: Nintendo's glorious, quirky failure, Wii U
Don't read too much into the Switch's successful launch numbers